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超声风速温度仪的误差分析与检定方法研究
2013-05-29 15:48:50 益择发布李增志1，黄峰1，朱福萌1，王金刚2
(1．解放军理工大学气象学院，江苏南宁211101}2．北京南苑机场气象台，北京100076)
摘要：根据超声风速温度仪的原理。分析了其测量误差的主要来源，进而总结出两个主要误差项。针对这两个主
要误差项提出了一种快速的误差检定方法，理论上只需两次测量即可完成对风速温度的误差检定。同时分析了不同
温度条件下相对湿度对超声风速温度仪测温的影响，并给出了相关结论。
关键词：超声波；风速l温度}误差分析
中豳分类号：P412文献标识码：A
Error Analyzes and Calibration Method of Ultrasonic
Wind and Temperature Monitor
Li Zeng—zhi，Huang Feng，Zhu Fu-meng
(1．PI。A University of Science and Technology，Nanjing，Jiangsu，211101；
2．Beijing Nanyuan Airport Meteorological Observatory，Beijing，1 0007 6)
Abstract：Basing the principle of the ultrasonic wind and temperature monitor，The main cause of
the error measurement was analyzed and concluded two main error terms．Theoretically，
measurement in twice can completely calibrate the measurement error of the wind speed and the
temperature．Then the effect of relative humidity upon ultrasonic wind and temperature monitor
under different temperature was also discussed．
Key words：ultrasonic；wind speed；temperature；error analysis
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